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23#
發表於 2009-3-26 01:29 PM
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pure mathTVBNOW 含有熱門話題,最新最快電視,軟體,遊戲,電影,動漫及日常生活及興趣交流等資訊。+ ]/ n% G2 E7 N2 X0 P* t
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[250(80x+1)+2y-250]/2 = (250*80x+2y)/2 = (2000x+2y)/2 = 1000x+y- ^0 ]* `! n4 S1 _7 `, I
9 \ B0 g9 E9 X2 L* @! }8 Fif x = 111 y = 2222, you number is 111-2222 |
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